Unknown

— one of the original Twenty Titans, cymek general, father of Vorian

— one of the original Twenty Titans

— young Poritrin slave, friend of Ishmael alloyglas— transparent, extremely tough material, often used as armor IV Anbus— Unallied Planet

— human tender of Cogitor Eklo

Rell — charter member of League of Nobles

— desert world, Unallied Planet

City — main spaceport and town on Arrakis

Hall — governmental building in Zimia

Vorian — son of Agamemnon, raised on Earth under thinking machine rule

— cymek, considered the most brutal of the original Titans

— ancient musical instrument developed during the heyday of the Old Empire

of the Long March — old legends and songs telling of early human exodus and resistance during the initial Time of Titans

— largest battleship created by Salusan Militia

— one of the original Titans, programmer of aggressive computer systems

the Finite — Sister at City of Introspection

— constellation seen from Arrakis

Favo — ancestor of Niko Bludd

Frigo — ancestor of Niko Bludd

Lord Niko — leader of Poritrin

Sajak — first Poritrin leader to advocate slavery

— wild boar native to Salusa Secundus

— mysterious deity of the Zensunni religion

— core religion of Zensunnis and Zenshiites

— pack animal from Earth

Faykan — primero of the Jihad

Fredo — Serena’s younger brother, died from a blood disease

Livia — Serena’s mother, abbess of the City of Introspection

Manion — Viceroy of the League of Nobles

Manion — son of Serena Butler and Xavier Harkonnen, and grandson of Viceroy Manion Butler

Octa — younger sister of Serena Butler

Serena — daughter of Viceroy Manion Butler

— Unallied Planet, source of soostones

— ocean world, Unallied Planet

— Sorceress of Rossak, one of Zufa’s trainees

Norma — dwarf daughter of Zufa Cenva, mathematical genius

Zufa — powerful Sorceress of Rossak

pistol — projectile weapon that shoots sharp crystal fragments

Cuarto — member of Salusan Militia

— League World, known for musical instruments

Emi — great composer from the latter days of the Old Empire City of Introspection— monastery-style religious and philosophical retreat on Salusa

— disembodied brain, similar to a cymek, devoted to contemplating esoteric questions

— Synchronized World

— fourth rank in League Armada

—”machines with human minds,” disembodied brains inside mechanical bodies

— one of the original Titans, skilled in bureaucratic manipulation

Naib — leader of Zensunni tribe on Arrakis

— guard force on Poritrin

Voyager — update ship captained by Seurat

— slow zeppelin transportation system on Poritrin

— slave boy on Poritrin

— treacherous former friend of Selim’s

— Cogitor of Earth

— bluish life-support liquid for Cogitors and cymeks, also acts as fluid circuitry

— all-encompassing intelligent computer system

— metallic, sensor-laden skin material used by robots

Ohan — human crew boss serving thinking machines on Earth

— sophisticated fluid-crystalline electronics that form the basis of thinking machine neural networks

City — main industrial and government city on Giedi Prime

Prime — planet in League of Nobles, rich in resources and industrial capability, ruled by a Magnus

Prime Home Guard — local defensive military on Giedi Prime

— planet in League of Nobles, mostly water; population lives on the scattered islands in an archipelago

Iblis — charismatic human work leader on Earth

— mobile illumination source driven by residual energy from its component suspensor field. Developed by Norma Cenva on Poritrin

— long-lasting stationary light source

— old woman on Arrakis, foster-mother to Selim

— extravagant Old Empire architectural style

— planet in League of Nobles, known for mineral resources, ruled by a County General

of Parliament — governmental building in Zimia

Ryx — slaver, Keedair’s copilot

Katarina — Xavier’s mother, killed by thinking machines near Hagal

Piers — Xavier’s older brother, killed by thinking machines near Hagal

Ulf — Xavier’s father, killed by thinking machines near Hagal Harkonnen, Xavier— officer in Salusan Militia and League Armada

— Unallied Planet, source of slaves

— one of the original Twenty Titans, lover of Ajax, “resigned” and departed from the Empire not long before the Omnius takeover

— powerful Sorceress of Rossak, one of Zufa’s trainees

— Rossak nut, used for carving

Tio — genius inventor on Poritrin

— derogatory term for “human vermin”

Rebellions — first uprisings of enslaved humans against thinking machines, particularly cymeks. Major one occurred on Walgis, and was brutally crushed by Ajax

— primary river on Poritrin

— young slave taken from Harmonthep

— planet in League of Nobles

— mid-sized model of League Armada destroyer

Vilhelm — original human name of the Titan Barbarossa

Pinquer — messenger from Giedi Prime

— cymek female, one of the original Titans, Agamemnon’s lover

— peripheral League World

Tuk — Tlulaxa slaver and flesh merchant

— fast, small fighter ship in League Armada

— industrial League World

— name of the final struggle, as predicted by Buddislam

— Cogitor dwelling in the City of Introspection

of Nobles — government of free humans

Armada — space navy designed to protect League Worlds

Parliament — governmental body of League of Nobles

Worlds — signatory planets to League of Nobles charter

Serena — false name used by Serena Butler after her capture

Council — government body on Poritrin

— political title on Giedi Prime

— Naib Dhartha’s son

Bovko — first League Viceroy

Primero Vannibal — commander of Salusan Militia

— edible arachnid from Harmonthep

Bel — Zenshiite religious leader

Pitcairn — League military philosopher

— later generations of cymeks, created from humans who willingly serve Omnius

— delicate circuits used in robots

— Vorian Atreides’s nickname for Seurat

— computer evermind, controlling all thinking machines

Nivny — one of the founders of the League of Nobles

threads — sophisticated eye sensors used by robots

tubers — edible root on Poritrin

Julianna — original human name of Titan Juno

— metal-polymer alloy used in heavy construction

— Synchronized World

Brigit — engineer on Serena’s commando team

— construction material

River — river on Parmentier, source of prized salmon

— League World, home of Tio Holtzman

Jaymes — member of Salusan Militia; later, adjutant to Xavier Harkonnen

— highest rank in League Armada

eggs — edible eggs from marsh birds on Harmonthep

— member of Salusan Militia

— planet in League of Nobles, home of Sorceresses, source of numerous drugs

— Sorceress of Rossak, one of Zufa’s trainees

Secundus — capital world of the League of Nobles

Militia — local military based on Salusa Secundus

— one of the attendant monks that serve the Cogitors

— secondary rank in League Armada

— young exile on Arrakis

— League World, corrosive atmosphere, ruled by a Patriarch

Rock — rock formation on Arrakis

— independent robot, captain of the Dream Voyager

— sixth and lowest rank in the League Armada

— Old Imperial chemist, known as “the Wise,” first to study Arrakis spice

— The domain of eternal damnation in Zensunni tradition, a fiery subterranean region of unimagined horrors

— Sorceress of Rossak, one of Zufa’s trainees

Andrew — Agamemnon’s original name in the Old Empire

— scaly jungle creature from Rossak

of the Long Trek — Zensunnni oral history

— Unallied Planet, source of slaves, home of Ebbin

— riverport, capital city of Poritrin

coffins — suspended-animation slave transport system used by Tlulaxa flesh merchants

— innovative battlefield surgeon in Butlerian Jihad

Magnus — elected leader of Giedi Prime

— gravity-nullifying effect based on Holtzman’s original shield design, modified by Norma Cenva on Poritrin

— planets under the control of Omnius

— Ishmael’s cousin, villager on Harmonthep

— one of the original Twenty Titans

Emil — Xavier’s foster father

Lucille — Xavier’s foster mother

Vergyl — Xavier’s young foster brother

— deep desert on Arrakis

— third-level rank in League Armada

— overall term for robots, computers, and cymeks arrayed against humanity

— sensors used by cymeks

of Titans — the century of tyrant rulers who overthrew the Old Empire, living first as humans and then as cymeks. The Time of Titans ended when the newborn Omnius evermind took over all systems and effected his own rule

— Sorceress of Rossak, one of Zufa’s trainees

— original tyrants who conquered the Old Empire

— one of the original Titans, the visionary who first inspired the revolt

— Unallied Planet in Thalim system, known for providing slaves and biological material

— people of Tlulax, known as slavers and flesh merchants

— sweet-tasting insects in the marshes of Harmonthep

— the group of warlords who overthrew the Old Empire

— Synchronized World

— outlying worlds that have not formally joined the League of Nobles

— colorful shell, native to Buzzell

Aurelius — Rossak businessman, mate of Zufa Cenva

Colony — League World, heavily industrialized

— leader of League of Nobles

— a Synchronized World, site of First Hrethgir Rebellions

— mobile electronic eyes used by Omnius

— Ishmael’s grandfather

Ort — aging space commander, leader of Serena’s mission to Giedi Prime

Quinto Vaughn — member of Salusan Militia

Sun Room — chamber in Butler manor house

— name taken by Selim

— cymek, one of the Twenty Titans, responsible for machine takeover

Amia — kitchen slave of Erasmus

Cuarto Steff — officer in Salusan Militia

— League World, prominent slave market

— Buddislamic sect, generally docile

— Buddislamic sect, generally more violent than Zensunnis

— cultural and governmental center on Salusa Secundus